___________ are produced when two galaxies pass near each other and pull large streamers of stars, gas, and dust away from the galaxies.
A) Ring galaxies
B) Spiral galaxies
C) Rotation curves
D) Tidal tails
E) Irregular galaxies
Correct Answer:
Verified
Q10: A _ generally contains well over 1000
Q11: Most of the mass of a galaxy
Q12: The mass of a single galaxy might
Q13: _ galaxies contain large clouds of gas
Q14: The Hubble law is a relation between
Q16: The Milky Way is part of
I.a
Q17: A mega-parsec (Mpc) is equivalent to
A)3.26 light-years.
B)206,265
Q18: A megaparsec is equivalent to
A)3.26 light-years.
B)206,265 AU.
C)the
Q19: Galactic cannibalism refers to
A)binary galaxies.
B)the merging of
Q20: Astronomers now speculate that a galaxy's shape
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